Chevy SBC 350 7.250" Internal SFI-Rated Fluid Damper Harmonic Balancer capable of withstanding valve spring

capable of withstanding valve spring load up to 600lbs

The cells have foam in the base to prevent fuel aeration

extending the life of the crankshaft and bearings for enhanced power and torque

Designed to fit most applications with dual bolt patterns for Borg & Beck and Long-style clutch assemblies

but they also lengthen valvetrain component life and reduce wear and tear on valve stem tips

Chevy SBC 350 7.250" Internal SFI-Rated Fluid Damper Harmonic Balancer capable of withstanding valve springSpeedmaster harmonic balancers are crafted from high quality steel and feature a tuned elastomer for optimal engine performance. They include a strong bonding process, easy to read timing marks, and an advanced design to absorb engine vibrations, extending the life of the crankshaft and bearings for enhanced power and torque.